Question

how to find the sum of all numbers between 5 and 8073

Answer 1

Answer:

3,25,90,691

Step-by-step explanation:

series is 5,6,7,...........8071,8072,8073

sum of n numbers in ap=n/2 (2a+(n-1)d)

where a=5; d=1; n=8073-4=8069

S=8069/2 (2*5+(8069-1)*1)

=8069/2 (10+8068)

=8069*8078/2

=8069*4039

=3,25,90,691